Home / 8,504.38-12,757.89-4,342.13

Finding the Fourth Proportional to 8,504.38, 12,757.89 and 4,342.13

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Solution

The fourth proportional to 8,504.38, 12,757.89 and 4,342.13 is: 6,513.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,504.38 : 12,757.89 = 4,342.13 : x
  2. Step 2: Convert to fraction form
    8,504.38/12,757.89 = 4,342.13/x
  3. Step 3: Cross multiply
    8,504.38x = 12,757.89 × 4,342.13
  4. Step 4: Simplify right side
    8,504.38x = 55,396,416.91
  5. Step 5: Solve for x
    x = 55,396,416.91/8,504.38
  6. Step 6: Final answer
    x = 6,513.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.